private static void ParseFuncName(Lexer.Lexer lexer, out Exp exp, out bool hasColon)
{
hasColon = false;
lexer.NextIdentifier(out var line, out var name);
exp = new NameExp {
Line = line, Name = name
};
while (lexer.LookAhead() == ETokenType.SepDot)
{
lexer.NextToken(out _, out _, out _);
lexer.NextIdentifier(out line, out name);
var idx = new StringExp {
Line = line, Str = name
};
exp = new TableAccessExp
{
LastLine = line,
KeyExp = idx,
PrefixExp = exp,
};
}
if (lexer.LookAhead() == ETokenType.SepColon)
{
lexer.NextToken(out _, out _, out _);
lexer.NextIdentifier(out line, out name);
var idx = new StringExp {
Line = line, Str = name
};
exp = new TableAccessExp
{
LastLine = line,
PrefixExp = exp,
KeyExp = idx,
};
hasColon = true;
}
}
private static void ParseParList(Lexer.Lexer lexer, out List <string> parList, out bool isVararg)
{
parList = new List <string>();
isVararg = false;
switch (lexer.LookAhead())
{
case ETokenType.SepRParen:
return;
case ETokenType.Vararg:
{
lexer.NextToken(out _, out _, out _);
isVararg = true;
return;
}
}
lexer.NextIdentifier(out _, out var name);
parList.Add(name);
while (lexer.LookAhead() == ETokenType.SepComma)
{
lexer.NextToken(out _, out _, out _);
if (lexer.LookAhead() == ETokenType.Identifier)
{
lexer.NextIdentifier(out _, out name);
parList.Add(name);
}
else
{
lexer.NextTokenOfKind(ETokenType.Vararg, out _, out _);
isVararg = true;
break;
}
}
}